/*
 *
 * Copyright 2004 The Ant-Contrib project
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package net.sf.antcontrib.cpptasks;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * Implementation of FileVisitor that collects visited files for later
 * retrieval.
 *
 * @author Curt Arnold
 */
public final class MockFileCollector implements FileVisitor {
    /**
     * list of fileName parameter values.
     */
    private final List<String> fileNames = new ArrayList<String>();

    /**
     * list of baseDir parameter values.
     */
    private final List<File> baseDirs = new ArrayList<File>();

    /**
     * Constructor.
     */
    public MockFileCollector() {
    }

    /**
     * Implementation of FileVisitor.visit.
     *
     * @param baseDir  base directory
     * @param fileName file name
     */
    public void visit(final File baseDir, final String fileName) {
        fileNames.add(fileName);
        baseDirs.add(baseDir);
    }

    /**
     * Get value of fileName parameter for a specified index.
     *
     * @param index index
     * @return value of failName parameter
     */
    public String getFileName(final int index) {
        return fileNames.get(index);
    }

    /**
     * Get value of baseDir parameter for the specified index.
     *
     * @param index index
     * @return value of baseDir parameter
     */
    public File getBaseDir(final int index) {
        return baseDirs.get(index);
    }

    /**
     * Get count of calls to FileVisitor.visit.
     *
     * @return count of calls.
     */
    public int size() {
        return fileNames.size();
    }
}
